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fei666:Ans: 07Y_^d 1.灯珠面积选更小的[表情] nF|Oy0 2.灯珠找更小发光角度的[表情] FE}s#n_Pd 3.材料找更高折射率的[表情] b~9`]+ 4.灯珠离TIR再近一些[表情] (2023-01-03 22:49) xD^wTtT
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